by square web service

by square web service is the easiest way to get payment and invoice QR codes.

Sign up on https://app.bysquare.com/ to get access to our API. Just send us the payment or billing information through a simple API call from your software, and we will send you back the generated QR code.

We’ve prepared this web service to save you from keeping track of the standard and updating if something changes. Our API will take care of everything and you will not even notice these changes.

We will keep building plugins and extensions for different e-commerce platforms to help you implement the QR codes.